Watts 740-1

The Watts 740-1 relief valve provides reliable overpressure protection for boilers, water heaters, and other pressure systems. The Watts 740-1 relief valve features 1-1/4" x 1-1/2" connections and a 50 PSI relief setting, with model F383310 (formerly 0383310) for dependable, long-lasting performance.

Built for safety and quick response, this valve releases excess pressure before damage occurs, protecting equipment and ensuring compliant operation. It is designed for residential and light commercial use and supports systems that require up to 3,075m BTU capacity.

• Connection size: 1-1/4" x 1-1/2" inlet/outlet
• Relief setting: 50 PSI
• Model: F383310 (formerly 0383310)
• Application: boilers and hot-water systems
• Durability: rugged construction for long service life